Washington (CNN) – House Speaker John Boehner is under new pressure from fellow Republicans in the Senate not to break a House GOP promise to cut $100 billion in spending this year, and do so in an upcoming bill to keep the government running.
Eleven Senate Republicans signed a letter to Boehner saying that "the total value of the fiscal year 2011 spending reductions in the upcoming continuing resolution should be no less than $100 billion. The American people expect at least this level - which is just one-fifteenth of the FY2011 budget deficit."
The continuing resolution expires March 4.
House Republicans promised in their so-called Pledge To America to roll spending back to 2008 levels, and cut $100 billion this year.
But this week House Budget Chairman Paul Ryan, R-Wisconsin, announced cuts he is recommending for the rest of the year that would add up to $32 billion when compared with spending levels currently funding the government. Ryan's proposed cuts would be $58 billion compared with spending recommended by President Obama for 2011.
Either figure falls far short of the House GOP vow to cut $100 billion in spending.
In their letter to Boehner, conservative Republican Senators are making clear they believe anything less than $100 billion in cuts will hurt the GOP negotiating position with Senate Democrats.
"Since the Democrats still control the Senate, we need the House-passed (continuing resolution) to be as bold as possible in order to strengthen the hand of Senate conservatives in increasing or maintaining the spending reductions," the 11 GOP senators wrote.
House Republican leaders were already under intense pressure from conservatives in their own chamber to go further in slashing spending. The House Republican Study Committee, which has about 170 members, already said they will push for additional cuts. The RSC issued its own proposal for $2.5 trillion in spending cuts over 10 years.
The House will debate the spending measure to keep the government running the week after next, and GOP leaders have promised rank and file conservatives they would be allowed to offer a wide range of amendments to add additional spending cuts beyond the $32 billion the House Budget Committee is proposing.
The Senate GOP letter was signed by U.S. Sens. Tom Coburn, R-Oklahoma, Jim DeMint, R-South Carolina, John Ensign, R-Nevada, Mike Enzi, R-Wyoming, Mike Johanns, R-Nebraska, Ron Johnson, R-Wisconsin, Mike Lee R-Utah, Rand Paul, R-Kentucky, Marco Rubio, R-Florida, Pat Toomey, R-Pennsylvania, and David Vitter R-Louisiana.